CN103879978B - Useless helium online recycling purification system in aerostatics - Google Patents
Useless helium online recycling purification system in aerostatics Download PDFInfo
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- CN103879978B CN103879978B CN201410036786.2A CN201410036786A CN103879978B CN 103879978 B CN103879978 B CN 103879978B CN 201410036786 A CN201410036786 A CN 201410036786A CN 103879978 B CN103879978 B CN 103879978B
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Abstract
The invention discloses useless helium online recycling purification system in a kind of aerostatics, comprise helium compressor, sorption drying device, membrane permeation purifier, helium purity analyser, helium compressor import is connected with aerostatics, helium compressor outlet sorption drying device, sorption drying device outlet junctional membrane osmosis purifier, membrane permeation purifier outlet is to aerostatics, helium purity analyser detects the gas purity of membrane permeation purifier outlet, membrane permeation purifier is also communicated with a T-valve one end, T-valve second end is communicated to the import of helium compressor, T-valve the 3rd end emptying.
Description
Technical field
The present invention relates to helium recovery unit field, be specially useless helium online recycling purification system in a kind of aerostatics.
Background technology
Aerostatics inner filling helium, is supplied to aerostatics buoyancy, makes it go up to the air, and quietly floats on a certain height in high-altitude.The buoyancy that the mooring time of aerostatics produces by inner filling helium determines, if the helium purity generation decline phenomenon of inside, its buoyancy produced can reduce, and the mooring time can shorten, What is more causes aerostatics cisco unity malfunction, and therefore the aloft work of purity to aerostatics of helium is most important.And aerostatics floats over high-altitude for a long time, there is the phenomenon of gas-permeable and leakage in spheroid itself, the atmospheric pollution that helium gas inside is permeated and cause purity to decline, and then affect the aloft work performance of aerostatics.The guarantee of aerostatics helium gas inside purity and especially aobvious important to the purification work of impure helium.
Summary of the invention
The object of this invention is to provide useless helium online recycling purification system in a kind of aerostatics, to realize the online recycling of impure helium in aerostatics, purifying and recycle.
In order to achieve the above object, the technical solution adopted in the present invention is:
Useless helium online recycling purification system in aerostatics, it is characterized in that: comprise helium compressor, sorption drying device, membrane permeation purifier, helium purity analyser, helium compressor import is connected with aerostatics by low pressure pipeline, helium compressor outlet is by pipeline connection sorption drying device, sorption drying device outlet is by pipeline junctional membrane osmosis purifier, the outlet of membrane permeation purifier is communicated to aerostatics by low pressure line, helium purity analyser is arranged on the low pressure line of membrane permeation purifier outlet, membrane permeation purifier is also communicated with a T-valve one end, T-valve second end by pipeline connection to the import of helium compressor, T-valve the 3rd end emptying, the pure helium of membrane permeation purifier outlet is monitored through purity analyser, the low pressure line exported by membrane permeation purifier is recycled to aerostatics, the mixed gas of the membrane permeation purifier lower concentration helium do not permeated out is through T-valve, a part turns back to helium compressor import recycle, another part emptying.
Useless helium online recycling purification system in described aerostatics, it is characterized in that: the low pressure pipeline that helium compressor import is connected with aerostatics is provided with valve, between helium compressor outlet and sorption drying device, pipeline is provided with check valve, between sorption drying device outlet and membrane permeation purifier, pipeline is provided with tensimeter, under meter, thermometer and safety relief valve.
In described aerostatics, useless helium online recycling purification system, is characterized in that: described helium compressor is V-type, relative two row angle between banks 90 degree, and four row level Four compressions, exhaust pressure 20MPa, under suction condition, extraction flow is not less than 90Nm
3/ h, helium compressor is air-cooled, portable installation.
In described aerostatics, useless helium online recycling purification system, is characterized in that: filling sorbent material in described sorption drying device is activated alumina and gac, operating pressure 20MPa, and the dew-point temperature-40 after process is spent.
In described aerostatics, useless helium online recycling purification system, is characterized in that: described membrane permeation purifier operating pressure is not more than 15MPa, and the gas processing amount of single membrane module is not less than 100Nm
3/ h.
In described aerostatics, useless helium online recycling purification system, is characterized in that: described helium purity analyser is thermal conductivity detector, and energy real-time analysis helium purity, and feedback signal, measuring accuracy ± 1%, the time of response is not more than 30s.
Compared with prior art, advantage of the present invention:
1, the present invention is that online self-circulation mode completes recovery, purifying, recycles task, effectively improves working efficiency.
2, reclaim purification process gas flow large, single membrane permeation purifier treatment capacity is greater than 100m3/h, adopts the mode of multiple parallel connection can be multiplied the processing power of system.
3, device integration is high, and all devices is all integrated on a platform, mobility strong.
4, low in energy consumption, adsorption dry, membrane permeation purifying are idle process, greatly save cost.
5, environmentally friendly, do not consume liquid nitrogen, not discharge of noxious gases, environmental sound.
6, after helium purifying, purity is high, and overall helium recovery rate is high, and helium purity can reach 99%, and the rate of recovery is not less than 90%.
Accompanying drawing explanation
Fig. 1 is structure principle chart of the present invention.
Embodiment
As shown in Figure 1.Useless helium online recycling purification system in aerostatics, comprise helium compressor 3, sorption drying device 6, membrane permeation purifier 10, helium purity analyser 12, helium compressor 3 import is connected with aerostatics 1 by low pressure pipeline, helium compressor 3 exports by pipeline connection sorption drying device 6, sorption drying device 6 exports by pipeline junctional membrane osmosis purifier 10, membrane permeation purifier 10 exports and is communicated to aerostatics 1 by low pressure line, helium purity analyser 12 is arranged on the low pressure line of membrane permeation purifier 10 outlet, membrane permeation purifier 10 is also communicated with T-valve 11 one end, T-valve 11 second end by pipeline connection to the import of helium compressor 3, T-valve 11 the 3rd end emptying, the pure helium that membrane permeation purifier 10 exports is monitored through purity analyser 12, the low pressure line exported by membrane permeation purifier 10 is recycled to aerostatics 1, the mixed gas of the membrane permeation purifier 10 lower concentration helium do not permeated out is through T-valve 11, a part turns back to helium compressor 3 import recycle, another part emptying.
The low pressure pipeline that helium compressor 3 import is connected with aerostatics 1 is provided with valve 2, helium compressor 3 exports, between sorption drying device 6, pipeline is provided with check valve 4, and sorption drying device 6 exports and pipeline is provided with tensimeter 5, under meter 7, thermometer 8 and safety relief valve 9 between membrane permeation purifier 10.
Helium compressor 3 is V-type, relative two row angle between banks 90 degree, and four row level Four compressions, exhaust pressure 20MPa, under suction condition, extraction flow is not less than 90Nm
3/ h, helium compressor is air-cooled, portable installation.
Filling sorbent material in sorption drying device 6 is activated alumina and gac, operating pressure 20MPa, and the dew-point temperature-40 after process is spent.
Membrane permeation purifier 10 operating pressure is not more than 15MPa, and the gas processing amount of single membrane module is not less than 100Nm
3/ h.
Helium purity analyser 12 is thermal conductivity detector, and energy real-time analysis helium purity, and feedback signal, measuring accuracy ± 1%, the time of response is not more than 30s.
Principle of work of the present invention: the impure helium in aerostatics 1, reclaimed by helium compressor 3 by low pressure line, be pressurized to 20MPa, then enter sorption drying device 6 by pressure duct and valve, under high pressure sorption drying device 6 completes and dewaters, except the task of CO2, dedusting, oil removing.Dried gas enters membrane permeation separator 10 through pressure piping, pipeline is arranged pressure, flow, temperature monitoring and safety relief valve, and pipeline places a pressure release valve, the pressure equalization of regulation and control sorption drying device 6 and membrane permeation separator 10.Dried gas completes separation and purification in membrane permeation separator 10, and the pure helium after infiltration is communicated to aerostatics spheroid by low pressure air hose, and completes purity detecting by helium purity analyser 12 on pipeline.The mixed gas (helium containing low concentration) do not permeated in membrane permeation separator 10 is through a T-valve 11, and a part turns back to helium compressor 3 entrance with recycle, improves the rate of recovery; The direct emptying of another part mixed gas.
Claims (5)
1. useless helium online recycling purification system in aerostatics, it is characterized in that: comprise helium compressor, sorption drying device, membrane permeation purifier, helium purity analyser, helium compressor import is connected with aerostatics by low pressure pipeline, helium compressor outlet is by pipeline connection sorption drying device, sorption drying device outlet is by pipeline junctional membrane osmosis purifier, the outlet of membrane permeation purifier is communicated to aerostatics by low pressure line, helium purity analyser is arranged on the low pressure line of membrane permeation purifier outlet, membrane permeation purifier is also communicated with a T-valve one end, T-valve second end by pipeline connection to the import of helium compressor, T-valve the 3rd end emptying, the pure helium of membrane permeation purifier outlet is monitored through purity analyser, the low pressure line exported by membrane permeation purifier is recycled to aerostatics, the mixed gas of the membrane permeation purifier lower concentration helium do not permeated out is through T-valve, a part turns back to helium compressor import recycle, another part emptying,
The low pressure pipeline that helium compressor import is connected with aerostatics is provided with valve, between helium compressor outlet and sorption drying device, pipeline is provided with check valve, between sorption drying device outlet and membrane permeation purifier, pipeline is provided with tensimeter, under meter, thermometer and safety relief valve.
2. useless helium online recycling purification system in aerostatics according to claim 1, it is characterized in that: described helium compressor is V-type, relative two row angle between banks 90 degree, four row level Four compressions, exhaust pressure 20MPa, under suction condition, extraction flow is not less than 90Nm
3/ h, helium compressor is air-cooled, portable installation.
3. useless helium online recycling purification system in aerostatics according to claim 1, it is characterized in that: filling sorbent material in described sorption drying device is activated alumina and gac, operating pressure 20MPa, the dew-point temperature-40 after process is spent.
4. useless helium online recycling purification system in aerostatics according to claim 1, is characterized in that: described membrane permeation purifier operating pressure is not more than 15MPa, and the gas processing amount of single membrane module is not less than 100Nm
3/ h.
5. useless helium online recycling purification system in aerostatics according to claim 1, is characterized in that: described helium purity analyser is thermal conductivity detector, and energy real-time analysis helium purity, and feedback signal, measuring accuracy ± 1%, the time of response is not more than 30s.
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| CN201410036786.2A CN103879978B (en) | 2014-01-25 | 2014-01-25 | Useless helium online recycling purification system in aerostatics |
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| CN201410036786.2A CN103879978B (en) | 2014-01-25 | 2014-01-25 | Useless helium online recycling purification system in aerostatics |
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| CN103879978B true CN103879978B (en) | 2016-01-20 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9850852B2 (en) | 2015-07-30 | 2017-12-26 | Third Shore Group, LLC | Compressed gas capture and recovery system |
| CN105546333A (en) * | 2016-01-22 | 2016-05-04 | 池州森大轻工制品有限公司 | Filling system for high-purity gas |
| CN105948003B (en) * | 2016-04-13 | 2018-11-13 | 安徽万瑞冷电科技有限公司 | Useless helium purifies recovery system |
| CN106517117B (en) * | 2016-12-14 | 2018-06-26 | 江苏兆胜特种空调有限公司 | A kind of helium recovery and purification equipment |
| CN106829895A (en) * | 2017-02-17 | 2017-06-13 | 安徽万瑞冷电科技有限公司 | A kind of helium recovery and purification system for aerostatics |
| CN108355416A (en) * | 2018-04-19 | 2018-08-03 | 合肥硕朗自动化科技有限公司 | A kind of helium recovery purifier for vacuum tank leak detection system |
| CN111715028B (en) * | 2020-06-24 | 2022-08-02 | 大连理工大学 | Product diversified helium high-yield separation and purification coupling process |
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| US5390533A (en) * | 1992-05-05 | 1995-02-21 | Praxair Technology Inc. | Pressurizing with and recovering helium |
| CN1469986A (en) * | 2000-10-18 | 2004-01-21 | 液体空气乔治洛德方法利用和研究的具 | Method and installation for purifying and recycling helium and use in optical fibre manufacture |
| CN1561255A (en) * | 2001-07-31 | 2005-01-05 | 普莱克斯技术有限公司 | Helium recovery |
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